Table 1.

Descriptive Characteristics of the Participants

  • a The 0.1% error for radiological severity, back pain, cancer, and asthma is related to rounding.

  • b Healthy weight and underweight=body mass index of less than 24.9 kg/m2, overweight=body mass index of 25.0–29.9 kg/m2, obese=body mass index of ≥30.0 kg/m2.